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FKIE_CVE-2021-25676

Vulnerability from fkie_nvd - Published: 2021-03-15 17:15 - Updated: 2026-06-17 03:42
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically.
References
productcert@siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdfVendor Advisory
productcert@siemens.comhttps://us-cert.cisa.gov/ics/advisories/icsa-21-068-02Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
siemens ruggedcom_rm1224_firmware 6.3
siemens ruggedcom_rm1224 -
siemens scalance_m-800_firmware 6.3
siemens scalance_m-800 -
siemens scalance_s615_firmware 6.3
siemens scalance_s615 -
siemens scalance_sc-600_firmware *
siemens scalance_sc-600 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "RUGGEDCOM RM1224",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "V6.3"
            }
          ]
        },
        {
          "product": "SCALANCE M-800",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "V6.3"
            }
          ]
        },
        {
          "product": "SCALANCE S615",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "V6.3"
            }
          ]
        },
        {
          "product": "SCALANCE SC-600",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All Versions \u003e= V2.1 and \u003c V2.1.3"
            }
          ]
        }
      ],
      "source": "productcert@siemens.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "041588BC-B3E6-400F-AF25-869D38EE3A1D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
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              "vulnerable": false
            }
          ],
          "negate": false,
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      ],
      "operator": "AND"
    },
    {
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          ],
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            }
          ],
          "negate": false,
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      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:siemens:scalance_sc-600_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FABE752D-A89A-4C2A-980E-AC75E471BA51",
              "versionEndExcluding": "2.1.3",
              "versionStartIncluding": "2.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
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              "vulnerable": false
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          ],
          "negate": false,
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        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions \u003e= V2.1 and \u003c V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en RUGGEDCOM RM1224 (versi\u00f3n V6.3), SCALANCE M-800 (versi\u00f3n V6.3), SCALANCE S615 (versi\u00f3n V6.3), SCALANCE SC-600 (Todas las versiones  posteriores a V2.1 y anteriores a V2.1.3) .\u0026#xa0;M\u00faltiples intentos fallidos de autenticaci\u00f3n SSH podr\u00edan desencadenar una Denegaci\u00f3n de Servicio temporal en determinadas condiciones.\u0026#xa0;Cuando es desencadenada, el dispositivo se reiniciar\u00e1 autom\u00e1ticamente"
    }
  ],
  "id": "CVE-2021-25676",
  "lastModified": "2026-06-17T03:42:20.437",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-03-15T17:15:22.127",
  "references": [
    {
      "source": "productcert@siemens.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdf"
    },
    {
      "source": "productcert@siemens.com",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02"
    }
  ],
  "sourceIdentifier": "productcert@siemens.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ],
      "source": "productcert@siemens.com",
      "type": "Secondary"
    }
  ]
}



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